ret = of_property_read_u32(np, "mediatek,dmic-mode",
                                   &priv->dmic_one_wire_mode);
        if (ret) {
-               dev_warn(priv->dev, "%s() failed to read dmic-mode\n",
+               dev_info(priv->dev,
+                        "%s() failed to read dmic-mode, use default (0)\n",
                         __func__);
                priv->dmic_one_wire_mode = 0;
        }
        ret = of_property_read_u32(np, "mediatek,mic-type-0",
                                   &priv->mux_select[MUX_MIC_TYPE_0]);
        if (ret) {
-               dev_warn(priv->dev, "%s() failed to read mic-type-0\n",
-                        __func__);
+               dev_info(priv->dev,
+                        "%s() failed to read mic-type-0, use default (%d)\n",
+                        __func__, MIC_TYPE_MUX_IDLE);
                priv->mux_select[MUX_MIC_TYPE_0] = MIC_TYPE_MUX_IDLE;
        }
 
        ret = of_property_read_u32(np, "mediatek,mic-type-1",
                                   &priv->mux_select[MUX_MIC_TYPE_1]);
        if (ret) {
-               dev_warn(priv->dev, "%s() failed to read mic-type-1\n",
-                        __func__);
+               dev_info(priv->dev,
+                        "%s() failed to read mic-type-1, use default (%d)\n",
+                        __func__, MIC_TYPE_MUX_IDLE);
                priv->mux_select[MUX_MIC_TYPE_1] = MIC_TYPE_MUX_IDLE;
        }
 
        ret = of_property_read_u32(np, "mediatek,mic-type-2",
                                   &priv->mux_select[MUX_MIC_TYPE_2]);
        if (ret) {
-               dev_warn(priv->dev, "%s() failed to read mic-type-2\n",
-                        __func__);
+               dev_info(priv->dev,
+                        "%s() failed to read mic-type-2, use default (%d)\n",
+                        __func__, MIC_TYPE_MUX_IDLE);
                priv->mux_select[MUX_MIC_TYPE_2] = MIC_TYPE_MUX_IDLE;
        }